<?php

namespace App\Http\Controllers;

use App\Models\Customer;
use Illuminate\Http\Request;
use App\Imports\CustomerImport;
use Illuminate\Support\Collection;
use Illuminate\Support\Facades\Auth;
use Maatwebsite\Excel\Facades\Excel;
use App\Http\Requests\ValidasiCreateCustomer;
use App\Http\Requests\ValidasiUpdateCustomer;

class CustomerController extends Controller
{
    /**
     * Display a listing of the resource.
     */
    public function index(Request $request)
    {
        $perPage = $request->input('perPage', 5);

        $query = Customer::orderBy('created_at', 'desc');

        // Add search logic similar to the Transfer index controller
        $search = $request->input('search') ?? '';
        if ($search) {
            $query->where(function ($q) use ($search) {
                $q->where('name', 'like', "%$search%")
                    ->orWhere('code_customer', 'like', "%$search%")
                    ->orWhere('lot_no', 'like', "%$search%")
                    ->orWhere('no_tlp', 'like', "%$search%")
                    ->orWhere('address', 'like', "%$search%");
            });
        }

        if ($perPage == 'Semua') {
            $chunkSize = 100;
            $customers = new Collection();
            $currentPage = 1;

            $query->chunk($chunkSize, function ($customerChunk) use ($customers, &$currentPage) {
                foreach ($customerChunk as $customer) {
                    $customer->setAttribute('i', ($currentPage - 1) * $customerChunk->perPage() + 1);
                    $customers->push($customer);
                    $currentPage++;
                }
            });
        } else {
            $customers = $query->paginate($perPage);
        }

        $data = [
            'customers' => $customers,
            'i' => ($customers->currentPage() - 1) * $customers->perPage() + 1,
            'search' => $search,
            'active' => 'menu-customer',
        ];

        return view('dashboard.Master_Data.Customer.index', $data);
    }

    /**
     * Show the form for creating a new resource.
     */
    public function create()
    {
        $data = [
            'active' => 'menu-customer',
        ];
        return view('dashboard.Master_Data.Customer.create', $data);
    }

    /**
     * Store a newly created resource in storage.
     */
    public function store(ValidasiCreateCustomer $request)
    {
        // dd($request);
        try {
            $currentUser = Auth::user();
            $validatedData = $request->except('_token');

            $validatedData['name'] = strtoupper($validatedData['name']);
            $validatedData['code_customer'] = strtoupper($validatedData['code_customer']);
            $validatedData['lot_no'] = strtoupper($validatedData['lot_no']);
            $validatedData['address'] = strtoupper($validatedData['address']);
            $validatedData['created_by'] = $currentUser->fullname; // Menggunakan nama pengguna sebagai created_by
            $validatedData['updated_by'] = $currentUser->fullname; // Menggunakan nama pengguna sebagai updated_by
            Customer::create($validatedData);
            return redirect()->route('dashboard.customer.index')->with('success', 'Data customer berhasil ditambahkan');
        } catch (\Throwable $th) {
            return redirect()->back()->with('error', 'Data customer Gagal Ditambah.');
        }
    }

    /**
     * Display the specified resource.
     */
    public function show($id)
    {
        $data = [
            'customer' => Customer::findOrFail($id),
            'active' => 'menu-customer',
        ];
        return view('dashboard.Master_Data.Customer.show', $data);
    }

    /**
     * Show the form for editing the specified resource.
     */
    public function edit($id)
    {
        $data = [
            'customer' => Customer::findOrFail($id),
            'active' => 'menu-customer',
        ];
        return view('dashboard.Master_Data.Customer.edit', $data);
    }

    /**
     * Update the specified resource in storage.
     */
    public function update(ValidasiUpdateCustomer $request, $id)
    {
        try {
            $customer = Customer::findOrFail($id);
            $customerData = $request->all();

            // Menambahkan nama pengguna yang melakukan pembaruan
            $customerData['name'] = strtoupper($customerData['name']);
            $customerData['code_customer'] = strtoupper($customerData['code_customer']);
            $customerData['lot_no'] = strtoupper($customerData['lot_no']);
            $customerData['address'] = strtoupper($customerData['address']);

            $customerData['updated_by'] = Auth::user()->fullname;

            $customer->update($customerData);
            return redirect()->route('dashboard.customer.index')->with('success', 'Data customer berhasil diperbaharui');
        } catch (\Throwable $th) {
            return redirect()->back()->with('error', 'Data customer gagal diperbaharui');
        }
    }

    /**
     * Remove the specified resource from storage.
     */
    public function destroy($id)
    {
        // dd("oke");
        try {
            $customer = Customer::findOrFail($id);
            $customer->delete();
            return redirect()->back()->with('success', 'Data customer berhasil dihapus');
        } catch (\Throwable $th) {
            return redirect()->back()->with('error', 'Data customer gagal dihapus');
        }
    }

    public function importCustomer(Request $request)
    {
        $import = new CustomerImport;

        try {
            Excel::import($import, request()->file('file'));

            if ($import->getRowCount() > 0) {
                return redirect()->route('dashboard.customer.index')->with('success', 'Data Customer berhasil diimport');
            } else {
                $errors = $import->getErrors();

                if (!empty($errors)) {
                    session()->flash('error', $errors);
                }

                return redirect()->back()->with('import', $import)->with('error', 'Data Customer gagal di import.');
            }
        } catch (\Maatwebsite\Excel\Validators\ValidationException $e) {
            $failures = $e->failures();

            foreach ($failures as $failure) {
                session()->flash('error', ['Baris ' . $failure->row() => implode(', ', $failure->errors())]);
            }
        }
    }
}